Amazon.com: Superior Labs Acetyl L Carnitine 500 mg, High Potency ALCAR, Pure Non GMO, Zero Synthetic Additives, Maximum Absorption, Energy & Fat Metabolism, Brain, Nerve & Cellular Detox Support, (200 Veg Caps) : Everything Buy L Carnitine Powder L Carnitine Life Lab US If you've been diagnosed with Graves' disease, you may be wondering about treatment options. The three main approaches for treating hyperthyroidism are antithyroid medications, radioactive iodine therapy, and thyroidectomy (surgery). Each option Acetyl L Carnitine Supplement (ALCAR) 500 mg Superior Labs L Carnitine Liquid 3000 mg, 16 oz. NOW Foods Fruitful Yield